Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Cornelia Seiffert, LCSW, a Licensed Clinical Social Worker Corporation

Organization Clinical Social Worker · NPI 1164161105

Cornelia Seiffert, LCSW, a Licensed Clinical Social Worker Corporation is a Clinical Social Worker in Orange, California. Registered with an NPI since 2022.

In the registry since
2022

Practice location Address checks out

1820 W Orangewood Ave Ste 105
Orange, CA 92868-5052
Phone: (323) 886-2417
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1164161105
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Cornelia Seiffert — Lcsw/Owner · (323) 886-2417
NPI enumeratedMay 28, 2022
Last updated in NPPESJune 2, 2022
Certification dateJune 2, 2022
Mailing addressPo Box 94431, Pasadena, CA 91109-4431

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